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Flight Reliability

DL 3798 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3798 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

92%
Arrive within 15 minutes
5 min early
Average arrival delay
0.7%
Cancelled
9 min early
Median arrival delay

Based on 692 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(104 flights)
  • Tue93%(104 flights)
  • Wed91%(96 flights)
  • Thu89%(98 flights)
  • Fri93%(102 flights)
  • Sat96%(82 flights)
  • Sun92%(99 flights)
On-time by departure window
  • 3–6 PM91%(405 flights)
  • 6–9 PM94%(280 flights)
On-time trend by month
87%
May

Jun 97% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%60
July 202595%62
August 202592%62
September 202597%60
October 202593%60
November 202593%56
December 202593%54
January 202687%45
February 202686%44
March 202688%60
April 202698%60
May 202687%62
Departures on time
91%
Diverted
0.3%
Flights flown
685
Months covered
12

Keep nerding

Based on 692 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.